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型號：	S83C154DXXX-12
廠商：	ATMEL CORP
元件分類：	微控制器/微處理器
英文描述：	8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQCC44
封裝：	PLASTIC, LCC-44
文件頁數(shù)：	691/1021頁
文件大?。?/td>	15196K
代理商：	S83C154DXXX-12

32072H–AVR32–10/2012

AT32UC3A3

Endpoint n Status Register

Register Name:

UESTAn, n in [0..7]

Access Type:

Read-Only 0x0100

0x0130 + (n * 0x04)

Reset Value:

BYCT: Byte Count

This field is set with the byte count of the FIFO.

For IN endpoints, incremented after each byte written by the software into the endpoint and decremented after each byte sent to

For OUT endpoints, incremented after each byte received from the host and decremented after each byte read by the software

from the endpoint.

This field may be updated one clock cycle after the RWALL bit changes, so the user should not poll this field as an interrupt bit.

CFGOK: Configuration OK Status

This bit is updated when the ALLOC bit is written to one.

This bit is set if the endpoint n number of banks (EPBK) and size (EPSIZE) are correct compared to the maximal allowed

number of banks and size for this endpoint and to the maximal FIFO size (i.e. the DPRAM size).

If this bit is cleared, the user shall rewrite correct values to the EPBK and EPSIZE fields in the UECFGn register.

CTRLDIR: Control Direction

This bit is set after a SETUP packet to indicate that the following packet is an IN packet.

This bit is cleared after a SETUP packet to indicate that the following packet is an OUT packet.

Writing a zero or a one to this bit has no effect.

RWALL: Read/Write Allowed

This bit is set for IN endpoints when the current bank is not full, i.e., the user can write further data into the FIFO.

This bit is set for OUT endpoints when the current bank is not empty, i.e., the user can read further data from the FIFO.

This bit is never set if STALLRQ is one or in case of error.

This bit is cleared otherwise.

This bit shall not be used for control endpoints.

相關PDF資料	PDF描述
SC80C52XXX-12SV	8-BIT, MROM, 12 MHz, MICROCONTROLLER, CDIP40
MR80C52CXXX-12/883:D	8-BIT, MROM, 12 MHz, MICROCONTROLLER, CQCC44
MC80C52EXXX-12SC	8-BIT, MROM, 12 MHz, MICROCONTROLLER, CDIP40
MD80C52TXXX-16SHXXX:D	8-BIT, MROM, 16 MHz, MICROCONTROLLER, CDIP40
MR80C52CXXX-12SCR	8-BIT, MROM, 12 MHz, MICROCONTROLLER, CQCC44

相關代理商/技術參數(shù)	參數(shù)描述
S83C154-L16	制造商:未知廠家制造商全稱:未知廠家功能描述:8-Bit Microcontroller
S83C154T-12	制造商:未知廠家制造商全稱:未知廠家功能描述:8-Bit Microcontroller
S83C154T-16	制造商:未知廠家制造商全稱:未知廠家功能描述:8-Bit Microcontroller
S83C154T-20	制造商:未知廠家制造商全稱:未知廠家功能描述:8-Bit Microcontroller
S83C154T-25	制造商:未知廠家制造商全稱:未知廠家功能描述:8-Bit Microcontroller

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